metFORMIN HCL ER USP 500 mg, a) 30 tablets (NDC: 43063-428-30); b) 60 tablets (NDC: 43063-428-60); c) 90 tablets (NDC: 43063-428-90); d) 120 tablets (NDC: 43063-428-98); e) 180 tablets (NDC: 43063-428-93); f) 500 tablets (NDC: 53746-0178-05), Rx only, PD-Rx Pharmaceuticals Incorporated Oklahoma City, OK 73127
CGMP Deviations: FDA analysis detected N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level
United States
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-1307-2020